On 12/07/2010 08:03 AM, P.J. Trudell wrote:
> Thanks everyone for helping me get my HD-PVR working.
>> Now that it seems to be working can someone point me in the right
> direction for tuning my frontend and backend for playing and recording
> the HD video.
>> I have a
> <http://www.newegg.com/Product/Product.aspx?Item=N82E16813500028>ZOTAC
> IONITX-C-U RT motherboard running on 2 1G sticks of memour and a 8G
> thumb drive. Very quite because there is no fans or noise. It seems
> to play HD well using the VDPAU normal and slim but it has audio sync
> issues at high. Is anyone having good success with their settings and
> would like to share.
>
You won't be able to use VDPAU High with ION. It doesn't have the
horsepower.
> On a maybe related note, I notice that the Backend is using just about
> all of its memory while streaming HD and the front end is also using
> just about all of the 1.5G (500 mb of the ram is used for video) while
> playing HD. Although the backend seems to be using about 2/3 of its
> memory when only the backend (no tuners being used) is running (it is
> headless but is running GDM Gnome) and the frontend is using 1.3 of
> its 1.5 available with just the frontend running (also using GNOME not
> XFC). Both readings are using top.
>> It seems like ubuntu is burning up quite a bit of memory. Why?
>>
Did you subtract the buffers and cache usage from the total memory
used? What is the output of "free -m"?